1. My friends and I have already decided on our next adventure.

2. I’ve already borrowed a surfboard.

3. We still haven’t organised transport.

4. We haven’t bought any food yet.

1: My friends and I have already decided on our next adventure

2: I've already borrowed a surfboard

3: We still haven't organised transport

4: We haven't bought any food yet

1. The couple decided to separate after years of arguing.

2. The thief tried to enter the house through the back door.

3. My car broke down on the way to work, so I had to call for a tow truck.

4. The prisoners managed to escape of the jail using a secret tunnel.

5. They decided to end their engagement due to irreconcilable differences.

Tham khảo

1. You ought to wear a life jacket if you go swimming in the sea.

2. I will tell you my secret, but you mustn’t tell anyone.

3. You spend too much time on playing computergames , you must sop it.

4. Phuong oughtn’t to eat too much chocolate, or she will gain overweight.

5. We have to wear helmets when she ride a motorbike.

6. I don’t have to book the tickets advance.

7. Alia musnt’t say rude words like that

8. We don’t have to play table tennis, we can play chess instead.

9. Children musn’t put their hands into sockets, ( because) that is very dangerous.

10. Doctors sometimes have to work at the weekends and on national holidays.

1 If I don't phone my parents, they will be upset.

(Nếu tôi không gọi điện thoại cho bố mẹ tôi, họ sẽ buồn.)

2 If I tell you a secret, will you promise not to tell anybody?

(Nếu tôi nói cho bạn biết một bí mật, bạn sẽ hứa không nói với ai chứ?)

3 We will have a barbecue tomorrow if it doesn't rain.

(Chúng tôi sẽ tổ chức tiệc nướng vào ngày mai nếu trời không mưa.)

4 My mum won't buy me a new phone if I lose this one.

(Mẹ tôi sẽ không mua cho tôi một chiếc điện thoại mới nếu tôi làm mất cái này.)

5 What will you do if you feel unwell tomorrow morning?

(Bạn sẽ làm gì nếu cảm thấy không khỏe vào sáng mai?)

6 If you give me your number, I will be able to text you.

(Nếu bạn cho tôi số của bạn, tôi sẽ có thể nhắn tin cho bạn.)

7 Joe will make Sally very happy if he sends her some chocolates.

(Joe sẽ làm cho Sally rất hạnh phúc nếu anh ấy gửi cho cô ấy một ít sô cô la.)

8 If you don't shout at me, I won't get angry.

(Nếu bạn không hét vào mặt tôi, tôi sẽ không nổi giận.)

1.The holiday was so expensive that we could only afford one week. 

So expensive was the holiday that we could only afford one week.

2. . If you haven’t done it right, you’ll have to do it again. (mistake) 

If you make a mistake, you'll have to do it again.       (make a mistake: gây lỗi)

3. . I’ll tell you my secret, but only if you don’t tell anyone else. (as long as)

I'll tell you my secret, as long as you don't tell anyone else. (as long as: miễn là)

4.  Our teacher made us write two compositions in the same week! 

We were made to write two compositions in the same week by our teacher! (câu bị động)

5. The doctor is going to take out Jake’s tonsils tomorrow. (taken)

 Jake is going to have his tonsils taken out by the doctor tomorrow.

6. . It was thanks to my doctor that I made such a quick recovery. 

If it hadn’t been for my doctor, I wouldn't have made such a quick recovery.

 1."As soon as I get any information,I'll let you know",my friend said to me.

My friend said to me he would let me know as soon as he got any information

2."Why didn't you come to the conference 2 days ago?"Jane asked me

Jan asked me why I hadn't come to the conference 2 days before

3."I've run out of petrol,"said the man."Give me a lift to the next village."

The man told me to give him a lift to the next village because he had run out of petrol

4."Concentrate in where you're going,"said the driving instuctor

The driving instructor told me to concentrate in where I was going

5."Don't tell him anything."I said to An."He never keeps anything secret"

I told An not to tell him anything because he never kept anything secret 

6."Can you photocopy this report for me?"said the boss to the secretary

The boss asked the secretary if he could photocopy that report for him.

7."Let's not tell anyone,"said Tom,"until we are quite certain of the result"

Tom told me not to tell anyone until we were quite certain of the result

8."Don't ever make the same mistake again,son,"my father said

My father told me not to make the same mistake ever again. 

Ta thấy : / x / > hoặc = x ; / y / > hoặc = y => / x / + / y / > hoặc = x + y ( với mọi x và y thuộc Q ) . (1)

/ x / > hoặc = -x => - / x / < hoặc = x ; / y / > hoặc = -y => - / y / < hoặc = y

=> -( / x / + / y / ) < hoặc = x + y . ( 2 )

Từ (1) và (2) => -( / x / + / y / ) <hoặc = x+y < hoặc = / x/ + / y /

=> / x + y / < hoặc = / x / + / y /

1. I will believe it when I see it

2. I will give you ring as soon as I get back

3. I will not speak to him until he says sorry

4. I will tell you my secret when I see you next time

i (believe)...will believe....... it when i see it

i (give)....will give...... you ring as soon as i get back

i (not speak)...won't speak......to him untill he says sorry

i (tell)..will tell....you my secret when i see you next time

_{#Không chắc lắm :)}